2080264571

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 2818955520

約数和(自身を除く): 738690949

約数列:

[1, 7, 11, 19, 49, 71, 77, 133, 209, 497, 539, 781, 931, 1349, 1463, 2861, 3479, 5467, 9443, 10241, 14839, 20027, 31471, 38269, 54359, 66101, 103873, 140189, 203131, 220297, 380513, 597949, 727111, 1421917, 1542079, 2234441, 2663591, 3859489, 4185643, 9953419, 15641087, 27016423, 29299501, 42454379, 109487609, 189114961, 297180653, 2080264571]

約数ペア:

[(1, 2080264571), (7, 297180653), (11, 189114961), (19, 109487609), (49, 42454379), (71, 29299501), (77, 27016423), (133, 15641087), (209, 9953419), (497, 4185643), (539, 3859489), (781, 2663591), (931, 2234441), (1349, 1542079), (1463, 1421917), (2861, 727111), (3479, 597949), (5467, 380513), (9443, 220297), (10241, 203131), (14839, 140189), (20027, 103873), (31471, 66101), (38269, 54359)]